13270118491 has 12 divisors (see below), whose sum is σ = 16006066032. Its totient is φ = 10775733264.

The previous prime is 13270118473. The next prime is 13270118513. The reversal of 13270118491 is 19481107231.

It is not a de Polignac number, because 13270118491 - 2⁷ = 13270118363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13270118491.

It is not an unprimeable number, because it can be changed into a prime (13270118431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2623140 + ... + 2628193.

It is an arithmetic number, because the mean of its divisors is an integer number (1333838836).

Almost surely, 2^13270118491 is an apocalyptic number.

13270118491 is a deficient number, since it is larger than the sum of its proper divisors (2735947541).

13270118491 is an equidigital number, since it uses as much as digits as its factorization.

13270118491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251378 (or 5251359 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 13270118491 in words is "thirteen billion, two hundred seventy million, one hundred eighteen thousand, four hundred ninety-one".